<clickhouse>
    <profiles>
        <default>
            <function_sleep_max_microseconds_per_block>0</function_sleep_max_microseconds_per_block>
        </default>
    </profiles>
    <users>
        <default>
        </default>
        <mysql_user>
            <password>pass</password>
        </mysql_user>
        <postgres_user>
            <password>pass</password>
        </postgres_user>
        <grpc_user>
            <password>pass</password>
        </grpc_user>
        <parallel_user>
            <password>pass</password>
        </parallel_user>
    </users>
</clickhouse>